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. 2016 Dec 15;7(20):605–614. doi: 10.4239/wjd.v7.i20.605

Table 4.

Comparison of the quantitative phytochemicals obtained with the three extraction methods for the two plants

Vernonia amygdalina (mg/100 g)
Ocimum gratissimum (mg/100 g)
MAE Soxhlet Maceration MAE Soxhlet Maceration
Alkaloid 4.0 ± 0.65a 7.0 ± 0.57b 5.0 ± 0.46a 6.5 ± 0.75b 7.0 ± 0.15b 5.0 ± 0.90a
Flavonoid 13.0 ± 0.35b 9.0 ± 0.50a 15.0 ± 0.21c 10.0 ± 0.35b 8.0 ± 0.18a 12.0 ± 0.25c
Phenolic 17.5 ± 0.25c 15.0 ± 0.21b 12.0 ± 0.70a 15.0 ± 0.22c 14.0 ± 0.21b 11.0 ± 0.65a
Saponin 4.5 ± 0.45b 3.0 ± 0.30a 2.0 ± 0.75a 6.1 ± 0.75b 4.0 ± 0.92a 5.0 ± 0.20a
Tannin 14.0 ± 0.55b 13.0 ± 0.50b 10.0 ± 0.25a 12.0 ± 0.18b 9.0 ± 0.24a 9.1 ± 0.25a

Values are mean ± SD of 3 replicate readings. Same superscript across the column under the same plant signifies no significant difference at P > 0.05. MAE: Microwave-assisted-extraction.